WHILE DRIVE ABOVE 45MPH THE CAR WONDERS LEFT AND RIGHT, MAKING IT VERY HARD TO KEEP THE CAR ON THE ROAD. IT ALSO FEELS LIKE THERE IS A CATCH IN THE STEERING MAKING IT VERY EASY TO OVER CORRECT THE CAR. I HAVE HAD IT INTO KIA TO HAVE THE CAR LOOKED AT TWICE NOW. THEY HAVE CHECKED THE ALIGNMENT, TIRE PRESSURE... THEY DROVE A SALESMAN'S CAR AND A CAR OFF THERE LOT AND THEY TELL ME THIS IS THE WAY THEY ALL DRIVE. I FIND THIS VERY HARD TO BELIEVE, (ITS A WORKOUT TO KEEP THE CAR ON THE ROAD). I HAVE BEEN DOING SEARCHES ON THE INTERNET TO TRY AND FIND A SOLUTION FOR THE PROBLEM, WHILE DOING THIS I HAVE FOUND A LOT OF OTHER PEOPLE THAT ARE HAVING THE SAME PROBLEM AND ARE GETTING THE SAME FEEDBACK FROM THE DEALERS. FROM WHAT I HAVE FOUND IS ITS A KNOWN PROBLEM WITH THE 2011, 2012, 2013 KIA OPTIMA'S. *TR